2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49122The systematic approach to solving the recurrence relations for multi-loop integrals is described. In particular, the criteria of their reducibility is suggested.Talk presented at the AIHENP'99 (Heraklion, Greece, April 12-16, 1999); LaTeX, 6 pp., no figuresHigh Energy Physics - Phenomenologytext